Mame Reference Set -

Here’s a detailed write-up on the : What is the MAME Reference Set? The MAME Reference Set (often abbreviated as MAME Ref Set or just Ref Set ) is a curated, non-romset collection of files used alongside the main ROM sets in MAME (Multiple Arcade Machine Emulator). Unlike full ROM sets (which contain game program code and data), the Reference Set typically includes artwork, BIOS files, device ROMs, and other supplementary data required for accurate emulation of certain arcade systems.